| Patents for G01N 29 - Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object (28,925) |
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| 05/01/1990 | US4922422 Method and apparatus for selective suppression of portions of an echographic signal to improve image reconstruction |
| 05/01/1990 | US4922421 Flaw characterization by multiple angle inspection |
| 05/01/1990 | US4921346 Tunnel current detecting photo-acoustic spectrometer |
| 05/01/1990 | US4920966 Ultrasound transducer holder |
| 05/01/1990 | US4920804 Insert type ultrasonic crack hunting apparatus |
| 05/01/1990 | US4920803 Ultrasonic microscope apparatus |
| 05/01/1990 | CA1268536A1 Method and apparatus for the ultrasonic characterization of polymers under simulated processing conditions |
| 05/01/1990 | CA1268535A1 Laser induced acoustic generation for sonic modulus |
| 04/30/1990 | CA2001798A1 Method and apparatus for measuring mass flow |
| 04/26/1990 | DE3835886A1 Automatic time window device for ultrasound microscope |
| 04/25/1990 | EP0364911A1 Tool and inspection probe support for an examination and repair device of a steam generator |
| 04/24/1990 | US4920521 Method and system for interpolation-processing delay time data |
| 04/24/1990 | US4919223 Apparatus for remotely controlled movement through tubular conduit |
| 04/24/1990 | US4918993 Method of gauging pre-existing in-situ stress from an extracted sample |
| 04/24/1990 | US4918989 Ultrasonic method of measuring the thickness of the plating on a metal tube, the corresponding apparatus and its application to Zr plated alloy tubes |
| 04/24/1990 | US4918979 Liquid testing apparatus |
| 04/19/1990 | WO1990004173A1 Driving device for an ultrasonic train wheel control installation |
| 04/19/1990 | WO1990004172A1 Refrigeration efficiency monitoring system |
| 04/18/1990 | EP0364217A2 Improved torsional wave fluid sensor and system |
| 04/18/1990 | EP0364168A2 System and method for ultrasonic determination of density |
| 04/18/1990 | EP0363378A1 Apparatus and method for measuring a property of a continuous strand of fibrous materials |
| 04/17/1990 | US4916915 Method of and system for determining refrigerant/lubricant ratio within enclosed flow apparatus |
| 04/17/1990 | CA1267969A1 Ultrasonic phase apparatus |
| 04/11/1990 | EP0362307A1 Ultrasonic temperature measurement and applications in optical spectroscopy and calorimetry. |
| 04/10/1990 | US4916535 Method of non-destructive quality inspection of materials and videomonitor realizing this method |
| 04/10/1990 | US4914952 Ultrasonic method for measurement of size of any flaw within solid mass |
| 04/05/1990 | WO1990003572A1 A device for the ultrasonic inspection of elongated, rotation-symmetrical test-pieces by the single-probe pulse reflection process |
| 04/05/1990 | DE3922336A1 Microscopic imaging of thermal and thermo-elastic object structure - using illumination light power regulation to maintain power absorbed by object constant |
| 04/04/1990 | EP0362036A2 System and process for detecting properties of travelling sheets in the cross direction |
| 04/04/1990 | EP0361891A2 Apparatus for assembling and welding end plugs to nuclear fuel cladding tubes and inspecting the end plug welds on an automated basis |
| 04/04/1990 | EP0361890A2 Non-destructive dimensional and flaw inspection of thin wall tube weldments |
| 04/04/1990 | EP0361729A2 Sensor and measurement process utilizing a surface transverse wave device |
| 04/04/1990 | EP0361606A1 Apparatus for processing an echographic signal |
| 04/04/1990 | EP0226638B1 Method of measuring angle of inclination of planar flaw in solid object with ultrasonic wave |
| 04/04/1990 | EP0179073B1 Hybrid non-invasive ultrasonic imaging system |
| 04/04/1990 | CN2055598U Ultrasonic recorder for checking defect information |
| 04/04/1990 | CN1041040A Liquid acoustic waveguide tube |
| 04/03/1990 | US4913157 Ultrasound method and apparatus for evaluating, in vivo, bone conditions |
| 04/03/1990 | US4912979 Method and apparatus for detecting and measuring elastic anisotropy |
| 03/29/1990 | DE3832644A1 Coupling a sound-emission pick-up to a sound-emitting or sound-transmitting part |
| 03/29/1990 | DE3832223A1 Vorrichtung zur ultraschallpruefung langgestreckter, rotationssymmetrischer pruefstuecke nach dem einkopf-impuls-reflexionsverfahren Apparatus for ultrasonic testing of elongated, rotationally symmetrical specimens after Single-pulse-reflection method |
| 03/28/1990 | EP0359993A2 Alarm installation to recognize defects in moving parts |
| 03/28/1990 | EP0359839A1 Synchronous Demodulator |
| 03/27/1990 | US4911014 Method of analyzing and evaluating the results of an ultrasonic examination |
| 03/27/1990 | US4911013 Procedure and apparatus for analyzing pulp slurry |
| 03/27/1990 | CA1267215A1 Process and facility for selective defect detection in a test piece |
| 03/27/1990 | CA1267214A1 Ultrasonic detection method of the internal defects of a railroad track rail located in the sides of the head of said rail and device to carry it out |
| 03/27/1990 | CA1267213A1 High frequency ultrasonic techniques for measuring oxide scale on the inner surface of boiler tubes |
| 03/27/1990 | CA1267212A1 Method and apparatus for determining the charging of charcoal filters |
| 03/27/1990 | CA1267211A1 Apparatus and method for ultrasonic detection of inclusions in a molten body |
| 03/22/1990 | WO1990002946A1 Method and apparatus for tire inspection |
| 03/22/1990 | WO1990002945A1 Ultrasonic wave inspecting apparatus |
| 03/22/1990 | WO1990002944A1 Process and device for monitoring machining of a workpiece |
| 03/22/1990 | WO1990002935A1 Method for the detection of a gas using photoacoustic spectroscopy |
| 03/22/1990 | WO1990002517A1 Ultrasonic process and circuits |
| 03/22/1990 | DE3929611A1 Intracavitary ultrasonic probe scanning planes with common origin - has ultrasonic transducer rotatable about two axes according to coupling modes |
| 03/21/1990 | EP0359546A2 Ultrasound system with improved coupling fluid |
| 03/21/1990 | EP0358904A2 Method and system for dual phase scanning acoustic microscopy |
| 03/21/1990 | EP0211078B1 Method of measuring stress concentration coefficient with ultrasonic wave |
| 03/20/1990 | US4910718 Method and apparatus for acoustic emission monitoring |
| 03/15/1990 | DE3830233A1 Vorrichtung zur bestimmung der kristallstruktur Apparatus for determining the crystal structure of |
| 03/14/1990 | EP0358249A2 Method and apparatus for fourier processing of pulsed doppler signals |
| 03/14/1990 | CN1040437A Device for ultrasonic non-destructive testing of circular weld inside steam generator tube |
| 03/13/1990 | US4908774 System for ultrasonic examination |
| 03/13/1990 | US4907455 Ceramic delay lines for hot ultrasonic examination |
| 03/13/1990 | US4907454 Ultrasonic transducer |
| 03/13/1990 | US4907453 Colloid analyzer |
| 03/08/1990 | WO1990002330A1 Measuring the degree of mixing in a turbulent liquid |
| 03/08/1990 | WO1990002328A1 Method of controlling acoustic contact during ultrasonic flaw detection |
| 03/07/1990 | EP0357164A1 Ultrasonic method and circuitries for carrying out same |
| 03/07/1990 | EP0356629A1 Echo receiving and tracking device for ultrasound position measurement of a movable wall |
| 03/06/1990 | US4906917 Elastomer degradation sensor using a piezoelectric material |
| 03/06/1990 | US4905701 Apparatus and method for detecting small changes in attached mass of piezoelectric devices used as sensors |
| 02/28/1990 | EP0355694A2 Piezoelectric composite transducer for use in ultrasonic probe |
| 02/28/1990 | EP0151115B1 Ultrasonic leak detecting method and apparatus |
| 02/28/1990 | CN1007015B Method and apparatus for the detection and measurement of gases |
| 02/27/1990 | US4903528 System and process for detecting properties of travelling sheets in the cross direction |
| 02/27/1990 | US4903523 Test object and method of characterization of an ultrasonic beam and its side lobes |
| 02/22/1990 | WO1990001296A1 Method and apparatus for analyzing material properties using reflected ultrasound |
| 02/21/1990 | CN1039902A Method and apparatus for fourier processing of pulsed doppler signals |
| 02/20/1990 | US4901729 Rubber with crosslinking agent; improved contact and sensitivity |
| 02/20/1990 | US4901578 Probe carrier drive assembly |
| 02/20/1990 | US4901577 Apparatus for detecting splices in the web of a printing press |
| 02/20/1990 | US4901576 Acoustic leak-detection system |
| 02/20/1990 | US4901575 Methods and apparatus for monitoring structural members subject to transient loads |
| 02/14/1990 | CN1039549A Method and apparatus for monitoring (controlling) cutting-tool by sound emission |
| 02/13/1990 | US4899590 Pump shaft inspection system |
| 02/13/1990 | US4899589 Semi-automatic for ultrasonic measurement of texture |
| 02/13/1990 | US4899588 Method and apparatus for determining elastic constants in tubes |
| 02/08/1990 | WO1990001163A1 Converter for recording acoustic emission signals |
| 02/07/1990 | EP0354090A2 Apparatus for the ultrasonic non-destructive testing of a circular weld inside a pipe in a steam generator |
| 02/07/1990 | EP0353711A2 Frame for a test head |
| 02/07/1990 | EP0353633A2 Supersonic flaw detecting system |
| 02/06/1990 | US4898177 Ultrasonic probe with finger grip adapter |
| 02/06/1990 | US4898034 High temperature ultrasonic testing of materials for internal flaws |
| 02/01/1990 | DE3825422A1 Device for measuring the density of fluids by means of acoustic signals |
| 02/01/1990 | DE3825224A1 Control of a testing head for material testing |
| 01/31/1990 | EP0352789A2 Photoacoustic signal detecting device |
| 01/31/1990 | EP0185696B1 Testing of liquid melts and probes for use in such testing |
| 01/30/1990 | US4897823 Method for location of shocks with a structure-borne sound monitoring system, in particular in pressurized enclosures in power plants |